| Abbreviation | Definition |
|---|---|
| ADAS | Advanced Driver Assist Systems |
| ADAS | Advanced Driver Assistance Systems |
| ADAS | Advanced Driver-Assistance Systems |
| ADAS | Asiago-DLR Asteroid Survey |
| ADAS | Atomic Data and Analysis Structure |
| ADAT | Advance Diet As Tolerated |
| ADAT | Airfield Damage Assessment Team |
| ADAT | Automatic Data Accumulator and Transfer |
| ADATD | Air Defense Artillery Test Division |
| ADATS | Air Defence Air Traffic Systems |
| ADATS | Air Defence Anti tank System |
| ADATS | Air Defense and Anti tank system |
| ADATS | Air Defense Anti Tank System |
| ADAU | Average Daily Accelerometer Units |
| ADAW | Absolute Divine all Worthy |
| ADAW | Alabama Direct Assessment of Writing |
| ADAW | Arizona Desert Aire Waves |
| ADB | Accelerated Death Benefit |
| ADB | Altorfer Duss Beilstein |
| ADB | American Drill Bushing |